Advanced Passive Acoustic Monitoring Systems for Defense & Maritime Security

Defense Advancement showcases Ocean Sonic's range of passive underwater acoustic monitoring solutions for military, naval and security applications By Joseph Macey / 27 May 2025

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Advanced Passive Acoustic Monitoring Systems for Defense & Maritime Security
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Ocean Sonics, a developer of passive underwater acoustic monitoring solutions for military, naval and security applications, is a trusted and valued supplier partner on Defense Advancement.

As a continued partner, Defense Advancement is proud to showcase innovative solutions and capabilities across Ocean Sonics’ supplier profile. The profile highlights the company’s passive underwater acoustic monitoring solutions for military applications.

Read on to find out more:

Hydrophones

The icListen range of smart digital hydrophones enables real-time processing, streaming, and recording of acoustic data without the need for additional pre-amps, filters, converters, or datalinks. The compact self-contained units are fully calibrated and offer the ideal combination of performance and sensitivity, providing critical situational awareness for enhanced decision-making during naval and underwater operations.

Software

Lucy II

Lucy II is an advanced acoustic processing software package designed for use with arrays of icListen hydrophones. The Windows-based software allows users to locate and set up one or more hydrophones, and stream, record, and analyze data.

Marco

Marco software is used to locate and check the status of all icListen hydrophones on the network. It can be used on any laptop or PC to launch the built-in web server on icListens or other instruments. The software is included with all icListen purchases.

Talk Assistant

Talk Assistant software program is used to set up our icTalk HF Smart Projector. Users can configure a variety of sound patterns such as clicks, tones and sweeps. The software is included with all icTalk purchases.

PAMGuard Plug-In

The PAMGuard Plug-In allows icListen hydrophones to be used with the industry-standard PAMGuard bioacoustics analysis software. With this plug-in, icListen units can stream data in real time for detection and measurement of marine mammal sounds during defense exercises.

Deployment Kits

icListen Listening Kit

The icListen Listening Kit provides everything you need to get up and running with deployment of icListen hydrophones for shallow and deep-water recording, providing accurate and reliable acoustic data. The kit includes an icListen hydrophone, a Launch Box, cable, guard, and Lucy II processing software.

Acoustic Buoy Listening Kit

The Acoustic Buoy Listening Kit is a complete solution for easy monitoring of radiated noise and marine mammal noise, ensuring enhanced underwater situational awareness. The kit includes an icListen hydrophone, an acoustic buoy, cable, in-line hydrophone guard, and Lucy II processing software.

Fyrefin Tow Body Kit

The Fyrefin is a tow body that allows users to isolate the hydrophone recording from ambient noise made by the towing vessel, resulting in cleaner and more accurate data. This kit includes an icListen hydrophone, the Fyrefin, a Launch Box, cable and grips, guard, and Lucy II processing software.

Shallow Water Tripod Kit

The Shallow Water Tripod Kit allows easy and convenient deployment of an autonomous hydrophone array, ensuring high-accuracy sound localization, tracking, and detection. Hydrophone separation can be adjusted up to one meter. The kit includes four icListen hydrophones, the tripod, a battery pack, cable and guards, and Lucy II processing software.

To find out more about Ocean Sonics and their underwater acoustic monitoring solutions, please visit their profile page: https://www.defenseadvancement.com/company/ocean-sonics/

Posted by Joseph Macey Joseph Macey is a Content Specialist at Defense Advancement, where he has focused on emerging defense technologies since joining in 2022. His expertise spans tactical UAS, rugged computing, and Satellite Communication Systems. After graduating in Journalism from Falmouth University, Joseph began his career in 2019 as a local reporter. His journalism background enhances both his reporting and interview skills, enabling him to provide insightful, authoritative analysis of the latest trends shaping the defense industry. Connect
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